http://www.supermicro.com/products/system/4U/7045/SYS-7045A-WTB.cfm or Compatible with the following modifications:

--4U Tower Unit

--Quad-Core Intel®Xeon®Processor 5400/5300LV sequence 3.12 Ghz 4 MB Cache 1066 Ghz

--32 GB 800 FB-DIMM (Fully Buffered DIMM) ECC DDR2 SDRAM 72-bit, 240-pin gold-plated DIMMs-8-4 GB modules

--Dual-port Gigabit Ethernet Controller

--16x DVD ROM Drive

--9550SXU-8LP Controller-Supports Raid 0, 1, 5, 10

--6-500GB SATA Hard Drives-7200 RPM 16MB 3.5LP-hot swapable

--128 MB 7100GS Video Card

--865w Low noise Power Supply

--PWM Fan Speed Control

--Keyboard & Mouse

--19" Flat Panel LCD Monitor

--3 Year Warranty

OS- Microsoft Windows Server 2003 R2 Enterprise Edition w/media included but not installed.